Bobbin for transformer



FIG. 1 is a top, front and right-side perspective view of a bobbin for transformer;

FIG. 2 is a bottom, front and right-side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left-side view thereof;

FIG. 8 is a right-side view thereof;

FIG. 9 is a cross-sectional view of the bobbin for transformer taken along the line 9-9 in FIG. 3;

FIG. 10 is a cross-sectional view of the bobbin for transformer taken along the line 10-10 in FIG. 3;

FIG. 11 is a cross-sectional view of the bobbin for transformer taken along the line 11-11 in FIG. 3; and,

FIG. 12 is a cross-sectional view of the bobbin for transformer taken along the line 12-12 in FIG. 6.

The broken lines depict environmental subject matter only and form no part of the claimed design.

The dot-chain lines illustrate a border of the claimed subject matter and form no part of the claimed design. 

The ornamental design for a bobbin for transformer, as shown and described. 